One-Pot Biocatalytic Synthesis of Sugar Based Poly (ε-caprolactone)

被引：6

作者：

Barrera-Rivera, Karla A. ^{[1
]}

Martinez-Richa, Antonio ^{[1
]}

机构：

[1] Univ Guanajuato, Dept Quim, Guanajuato 36050, Mexico

来源：

MACROMOLECULAR SYMPOSIA | 2009年 / 283-84卷

关键词：

biocatalysis; biodegradable polymers; isosorbide; lipase; RING-OPENING POLYMERIZATION; LIPASE; INITIATOR;

D O I：

10.1002/masy.200950919

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The one-pot biocatalytic synthesis of amphiphilic polymers consisting of an isosorbide headgroup and a hydrophobic polyester chain is described. The immobilized lipase of Yarrowia lipolytica (YLL) catalyzed ring-opening polymerization of epsilon-caprolactone (epsilon-CL) initiated by the multifunctional initiator isosorbide. Polymerizations were carried out in bulk at 70, 80, 90 and 120 degrees C. The highest reaction rates for epsilon-CL polymerization resulted for YLL immobilized on macroporous resins: Lewatit VP OC 1026 at 80 degrees C, and the strongly acidic Lewatit K-2629 at 90 degrees C. Structural analyses were made by MALDI-TOF, H-1, and C-13-NMR.

引用

页码：144 / 151

页数：8

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